class_docstr: Test various SAFE SAR L2 OCN file handlers.
docstr: Test reader initialization.
docstr_tok: ["Test","reader","initialization","."]
code: def test_init(self):
      """Test reader initialization."""
      assert self.reader.start_time == 0
      assert self.reader.end_time == 0
      assert self.reader.fstart_time == 0
      assert self.reader.fend_time == 0
  
file_path: satpy/satpy/tests/reader_tests/test_safe_sar_l2_ocn.py
imports: import unittest
  import unittest.mock
  import numpy
  import xarray
  from satpy.tests.utils import make_dataid
label_desc: Use image node_id 2 for calling the TestSAFENC obj's underlying member method code with example usage: obj.test_init() without return types